Image sharing system

An image sharing system includes: a server apparatus; first and second client apparatuses, which are communicably connected with the server apparatus; first and second telephone terminals associated with the first and second client apparatuses respectively; a connection control apparatus for controlling the connection between the first telephone terminal and the second telephone terminal; and a communication terminal including a camera part for photographing a subject, and an image sending part for sending image data representing the image outputted from the camera part, wherein the server apparatus includes a share-image sending part for sending an image represented by image data sent from the communication terminal as a share image to both the first and the second client apparatuses when the first telephone terminal is connected with the second telephone terminal, and both the first and the second client apparatuses include a share-image display part for displaying the share image.